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Title: Wind and Solar on the Power Grid: Myths and Misperceptions, Greening the Grid

Wind and solar are inherently more variable and uncertain than the traditional dispatchable thermal and hydro generators that have historically provided a majority of grid-supplied electricity. The unique characteristics of variable renewable energy (VRE) resources have resulted in many misperceptions regarding their contribution to a low-cost and reliable power grid. Common areas of concern include: 1) The potential need for increased operating reserves, 2) The impact of variability and uncertainty on operating costs and pollutant emissions of thermal plants, and 3) The technical limits of VRE penetration rates to maintain grid stability and reliability. This fact sheet corrects misperceptions in these areas.
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Publication Date:
OSTI Identifier:
Report Number(s):
DOE Contract Number:
Research Org:
NREL (National Renewable Energy Laboratory (NREL), Golden, CO (United States))
Sponsoring Org:
USDOE; United States Agency for International Development (USAID)
Country of Publication:
United States
24 POWER TRANSMISSION AND DISTRIBUTION Greening the Grid; flexibility; USAID; renewable; integration; grid; RE; demand response; strategy; planning; wind; solar; photovoltaic; PV